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4 . Eound in caves with the bones of australopithecines, which arc thought by some to be ancient ancestors of the human species,
4 . Eound in caves with the bones of australopithecines, which arc thought by some to be ancient ancestors of the human species,
admin
2014-10-21
55
问题
4 . Eound in caves with the bones of australopithecines, which arc thought by some to be ancient ancestors of the human species, were great collections of animal bones. From the frequencies of types of bones, it can be seen that many bones represented only parts of animals that must have died elsewhere. The australopithecines thus must have been mighty hunters, to have brought home so much meat. Which of the following, if true, most seriously weakens the conclusion drawn above?
选项
A、The australopithecines sometimes moved from cave to cave for shelter and did not remain in one cave for a lifetime.
B、The australopithecine bones found in the caves were those of adult males, adult females, and juveniles.
C、Evidence of the use of fire was absent from the caves in which the collections of bones were found.
D、Marks on the bones, including the bones of the australopithecines, are consistent with teeth marks of large catlike animals of the period.
E、The bones in the cave did not include bones of an elephantlike animal that existed in the area at the time of the australopithecines.
答案
D
解析
本题推理为:从一个发现:“洞穴中有人的骨骼,也有许多别的动物的骨骼”而得出一个解释性的结论:“人把别的动物带回洞穴当肉吃”。当一个事实或发现中有件事情存在,如本题中的A
1
(人的骨骼)、A
2
(别的动物骨骼),就说是A
1
导致A
2
时,反对思路必为A
2
导致A
1
。所以(D)通过指出人完全有可能是被当时庞大的猫科动物带回洞穴当肉吃而起到了反对作用,因此(D)正确。(A)、(B)、(C)、(E)均与段落推理无关。
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本试题收录于:
GMAT VERBAL题库GMAT分类
0
GMAT VERBAL
GMAT
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